In addition to coloring and printing, other finishes applied to the fabric to improve its appearance and service include treatment to promote crease resistance in such textiles as cotton, linen, and spun rayons, which do not have the elasticity of silk and wool. The latest developments in crease-resistant finishes are the so-called durable press, or permanent press, finishes. In addition to wrinkle resistance, these finishes impart permanent creases where desired, as in slacks. Resistance to shrinking, staining, and soiling also may be provided by various chemical treatments. Other finishing processes protect against slipping of threads or damage by mildew, moths, or flame.